单选题What is the maximum metric value that can be reported in a narrow metric TLV？（）A 63B 64C 1023D 1024E 65535
题目
单选题
What is the maximum metric value that can be reported in a narrow metric TLV？（）
A
63
B
64
C
1023
D
1024
E
65535
63
64
1023
1024
65535